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How many molecules are there in .230kg of CoCl2? I have been trying to answer this question but everytime I get the answer it goes to 4.96e-19 or lower. I don't understand what I am doing wrong or what
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43 votes
43 votes
How many molecules are there in .230kg of CoCl2?

I have been trying to answer this question but everytime I get the answer it goes to 4.96e-19 or lower. I don't understand what I am doing wrong or what the right way to set up the question.

User Steve Smith
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1 Answer

18 votes
18 votes

Answer:

CoCI2 molecular weight is 129.84 g/mole

230 CoCI2 divided by the molecular weight

230 g/ 129.84 g/mole = 1.77 moles of CoCI2

User Jonalv
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2.9k points
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